Fish Barbeque Marinade

Got this from a recipe website. I'm not sure which one. Probably Foodnetwork's site. Was able to try this when we were in the States.

Anyway, here are the ingredients:

2 Tbsp Olive Oil
2 Cloves Garlic, crushed
2 Tbsp Chopped Scallions
1 Tbsp Soy Sauce
1/3 Cup Catsup
2 Tbsp Orange Juice
1/8 Tsp Oregano
1/4 TSp Pepper

There. I've tried this with different kinds of fish but it worked pretty well with sliced tuna.